mysql workbench mariadb

'. ' St_stock_m 'WHERE(' ma '. ' St_stock_m '. ' Goods_no '='1230480') and (CACHE>(' ma '. ' m '. ' Cell_no ')=' ma '. ' st_stock_m '. ' Cell_no ')))) and(' ma '. ' loc '. ' Cell_no ')=' ma '. ' m '. ' Cell_no ')) Execution plan In fact, the subquery returns no more than 3 result sets, usually we think that the internal will be based on the use of the result set to check, the efficiency will be very fast, but it is not Thought the internal operation would be Step 1:SELECTGroup_concat (Cell_n

Tags: upgrade PHP-FPM recommended multiple services three-party website program file rootIn general, upgrading a production environment is not recommended and will stop LNMP related services after the upgrade begins.This article applies only to LNMP1.2, 1.3 and 1.4 later versions!In LNMP currently LNMP v1.2/1.3+ version has included Nginx, MYSQL/MARIADB, PHP, phpmyadmin upgrade script, can help build the en

Tags: LinuxLamp Architecture IntroductionLamp is a shorthand that contains 4 things: Linux, Apache (httpd), MySQL, PHPLinux operating system, Apache provides WB service software, MySQL storage data software, PHP scripting languageHow Lamp worksThe browser sends an HTTP request to the server, and the server (Apache) accepts the request, because PHP is also launched as an Apache component module, and they hav

According to foreign media reports, recently, Google's senior System Engineers showed that most of Google's databases have been migrated from MySQL to MariaDB, this was another time that MySQL was abandoned by heavyweight users after it was acquired by Oracle. It is reported that at last week's Stanford University large-scale database conference, Google's senior

MySQL is a popular cross-platform database management system, often and PHP, Apache/nginx form a Web services platform. The MySQL company was first acquired by Sun, and Sun was acquired by Oracle, giving the open source community a hard hit. Because Oracle is a database startup, it is impossible to benefit from this open source competitor, and MySQL has more and

Tags: root gen error log end 1.5 execution disk cannot be updatedThe logs in MYSQL/MARIADB are broadly divided into the following categories:Query LogGeneral Query log:Slow query log:error LogBinary logRelay LogTransaction logA brief introduction to these kinds of logs, logs for our analysis of MySQL service has a very important help;Query log:General Query log:

minimal Ubuntu server as the basis for this article. I run all the commands under root, so make sure you're using the root account: sudo suInstalling MariaDB as a replacement for MySQLI installed MariaDB instead of MySQL. MariaDB is the MySQL branch version maintained by th

]:/home/bob/ Copy the client and server installation files to the/home/bob/directory (note: You can also copy to another directory, such as [emailprotected]:/usr/local/) back to ssh:# rpm-qa|grep-i MARIADB query mariadb, conflict with MySQL, the following will be found in the library is forced to delete (minimum installation only

For MySQL Percona mariadb three have their own audit plugin, but, MySQL audit plugin is only Enterprise version, but also have a lot of third-party MySQL audit plugin, and Percona and MARIADB are GPL audit pluginFirst look at the MARIADB